Battle wound foam secures Pentagon funding
Researchers working on a foam designed to limit internal bleeding of soldiers injured on the battlefield have received $15.5m (£9.6m) from the US military to continue their work.
The foam is formed by two liquids, injected into the body, which mix, expand and harden to create an internal dressing.
Arsenal Medical's product is funded by the Pentagon's Darpa research unit.
One UK surgeon said it could help those far away from a medical facility.
The technology is still in early pre-clinical stages, but has already been tested on pigs.
Currently for internal bleeding in the abdomen and chest there is nothing that is done pre-hospital to stop the bleeding” Dr Michael Walsh Royal London Hospital
The firm hopes that the polyurethane polymer foam will help control internal bleeding for at least an hour, increasing the survival chances of troops wounded on the battlefield.
Polyurethane foams are already widely used inside the metal and plastic walls of refrigerators or for thermal insulation.
Once a wounded soldier is transferred to receive proper medical attention, the foam can be easily removed in minutes in a solid block.
According to the pre-clinical data presented at the 2012 annual meeting of the American Association for the Surgery of Trauma in Kauai, Hawaii, the foam raised survival rates for liver injuries after three hours from 8% to 72%, and reduced blood loss sixfold.
"If testing bears out, the foam technology could affect up to 50% of potentially survivable battlefield wounds," said Brian Holloway of Darpa.
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